import java.util.Scanner;

class Student {
    private String name;
    private int age;

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getName() {
        return this.name;
    }
    public void eat() {
        System.out.println(this.name + "正在吃饭！");
    }

    public static void sleep() {
        System.out.println("睡觉");
    }
}
public class test {

    public static void main(String[] args) {
//        Student student = new Student("张三",10);
//        student.setName("ymLin");
//        System.out.println(student.getName());
//        student.eat();
          Student.sleep();
    }
    public static void main1(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Data data = new Data(x, y);
            System.out.println(data.getX() + data.getY());
        }
    }
}

    class Data {

        private int x;
        private int y;

        public Data(int x, int y) {
            this.x = x;
            this.y = y;
        }

        public int getX() {
            return x;
        }

        public int getY() {
            return y;
        }

    }
